CVE-2026-40138
Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access
- State
- Published
- Severity
- 9.2 Critical
- Published
- Jul 6, 2026
- Updated
- Jul 7, 2026
- Reserved
- Apr 9, 2026
Description
A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance, including accounts with elevated privileges. Exploitation requires a specific authentication configuration to be enabled
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.2 Critical | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | BT |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
Remote SupportBeyondTrust |
|
Privileged Remote AccessBeyondTrust |
|
References
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